Ключевые слова: audio, biology, cd, check, checklist, chemistry, choice, circle, compact, contour, data, design, digital, disc, dvd, education, equipment, file, icon, illustration, information, instrument, isolated, lab, laboratory, line, linear, list, mark, medical, medicine, music, outline, record, research, school, science, scientific, scientist, set, sign, software, symbol, technology, test, zoom,